diff --git a/DRAMSys/DRAMSys.pro b/DRAMSys/DRAMSys.pro
index 0530961c..0852d9e4 100644
--- a/DRAMSys/DRAMSys.pro
+++ b/DRAMSys/DRAMSys.pro
@@ -1,8 +1,7 @@
 TEMPLATE = subdirs
 
 thermalsim = $$(THERMALSIM)
-isEmpty(thermalsim)
-{
+isEmpty(thermalsim) {
     thermalsim = false
 }
 
@@ -19,14 +18,13 @@ SUBDIRS += analyzer/traceAnalyzer.pro
 
 # Check if gem5 is installed:
 gem5 = $$(GEM5)
-isEmpty(gem5)
-{
-    DEFINES += DRAMSYS_GEM5
-}
-
-contains(DEFINES,DRAMSYS_GEM5)
-{
+isEmpty(gem5) {
+    message(GEM5 environment variable not found)
+    message(Gem5 Simulation Disabled)
+} else {
     message(Gem5 Simulation Feature Enabled)
+    message(Gem5 home is $${gem5})
+    DEFINES += DRAMSYS_GEM5
     SUBDIRS += gem5/gem5.pro
 }