diff --git a/problems/LabFour_ChapterTen.h b/problems/LabFour_ChapterTen.h
index 08c44f50c3fb84030c764d39bcdfd61e4d9996a4..7c484e0a05ac4721623e4ad66b8abd6847fe7f9c 100644
--- a/problems/LabFour_ChapterTen.h
+++ b/problems/LabFour_ChapterTen.h
@@ -58,7 +58,7 @@ class labFour_pZero_Instructor;
  *  labFour_pOne_Rhombus rh1({1, 1}, 1, 45); // area sqrt(2)/2, perimeter 4
  *  labFour_pOne_Circle c1({0, 0}, 1); // area pi, perimeter 2*pi
  *
- *  vector<labFour_pOne_GeometricThing *> things = {&re1, &s1, &rh1, &c1};
+ *  vector<labFour_pOne_GeometricThing *> things = {&q1, &re1, &s1, &rh1, &c1};
  *
  *  labFour_pOne_GeometricThing::sumAreas(things);      // returns 1+2+9+sqrt(2)/2+pi = 15.8487...
  *  labFour_pOne_GeometricThing::sumPerimeters(things); // returns 4+6+12+4+2*pi = 32.2832...
diff --git a/tests/LabFour.cpp b/tests/LabFour.cpp
index 66bc043838d4fd5bfc322cca957371bb5ed8e3cd..b24036dd73832f93668e0b8ee271d038c8bbe992 100644
--- a/tests/LabFour.cpp
+++ b/tests/LabFour.cpp
@@ -123,7 +123,7 @@ bool test_labFour_pOne(){
     labFour_pOne_Rhombus rh1({1, 1}, 1, 45); // area sqrt(2)/2, perimeter 4
     labFour_pOne_Circle c1({0, 0}, 1); // area pi, perimeter 2*pi
 
-    vector<labFour_pOne_GeometricThing *> things = {&re1, &s1, &rh1, &c1};
+    vector<labFour_pOne_GeometricThing *> things = {&q1, &re1, &s1, &rh1, &c1};
 
     if(q1.getArea() != 1){
         cout << "Test 1a failed" << endl;
@@ -208,22 +208,22 @@ bool test_labFour_pTwo(){
 
 bool test_labFour_pThree(){
 
-    float fib0 = labFour_pThree_genFib({1,1}, 3);
-    float fib1 = labFour_pThree_genFib({1,0,1}, 4);
-    float fib2 = labFour_pThree_genFib({0.25 ,0.25 ,0.5, 0.5}, 3);
+    float fib0 = labFour_pThree_genFib({1, 1}, 3);
+    float fib1 = labFour_pThree_genFib({1, 0, 1}, 4);
+    float fib2 = labFour_pThree_genFib({0.25, 0.25 ,0.5, 0.5}, 3);
 
-    if((fib0 >= 7.99) && (fib0 <= 8.01)){
+    if((fib0 <= 7.99) || (fib0 >= 8.01)){
         cout << "Test 3a failed" << endl;
         return false;
     }
 
-    if((fib1 >= 8.99) && (fib1 <= 9.01)){
+    if((fib1 <= 8.99) || (fib1 >= 9.01)){
         cout << "Test 3b failed" << endl;
         return false;
     }
 
-
-    if( (fib2 >= 2.562) && (fib2 <= 2.563)){
+    cout << fib2 << endl;
+    if( (fib2 <= 2.562) || (fib2 >= 2.563)){
         cout << "Test 3c failed" << endl;
         return false;
     }
diff --git a/tests/Makefile b/tests/Makefile
index 3ad1630416a0e93a218bbd80ff74cb3348e886aa..4fb9fc90e494c151bed6f7e6dae21f60f31d06e9 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -10,7 +10,7 @@ LAB0_SRCS = LabZero.cpp lab0.cpp $(COMMON_SRCS)
 LAB1_SRCS = LabOne.cpp lab1.cpp $(COMMON_SRCS)
 LAB2_SRCS = LabTwo.cpp lab2.cpp
 LAB3_SRCS = LabThree.cpp
-LAB4_SRCS = LabFour.cpp
+LAB4_SRCS = LabFour.cpp $(COMMON_SRCS)
 
 # Object files
 COMM_OBJS = Support/Common.o
@@ -18,7 +18,7 @@ LAB0_OBJS = LabZero.o lab0.o $(COMM_OBJS)
 LAB1_OBJS = LabOne.o lab1.o $(COMM_OBJS)
 LAB2_OBJS = LabTwo.o lab2.o
 LAB3_OBJS = LabThree.o
-LAB4_OBJS = LabFour.o
+LAB4_OBJS = LabFour.o $(COMM_OBJS)
 OBJS = $(COMM_OBJS) $(LAB0_OBJS) $(LAB1_OBJS) $(LAB2_OBJS) $(LAB3_OBJS) $(LAB4_OBJS)
 
 # Executable names