diff --git a/sys/unix/NetHack.xcodeproj/project.pbxproj b/sys/unix/NetHack.xcodeproj/project.pbxproj
index 712685f77..a769da734 100644
--- a/sys/unix/NetHack.xcodeproj/project.pbxproj
+++ b/sys/unix/NetHack.xcodeproj/project.pbxproj
@@ -148,6 +148,7 @@
 		544768AF23994A17004B9739 /* nhlua.c in Sources */ = {isa = PBXBuildFile; fileRef = 544768AD23994A17004B9739 /* nhlua.c */; };
 		544768B123994A2C004B9739 /* mdlib.c in Sources */ = {isa = PBXBuildFile; fileRef = 544768B023994A2C004B9739 /* mdlib.c */; };
 		544768BA23995BB7004B9739 /* liblua.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 544768B923995BB7004B9739 /* liblua.a */; };
+		544A5CF0277B40CF00734B53 /* panic.c in Sources */ = {isa = PBXBuildFile; fileRef = 31B8A42721A267E60055BD01 /* panic.c */; };
 		5462D14823E7B19200969423 /* insight.c in Sources */ = {isa = PBXBuildFile; fileRef = 5462D14723E7B19200969423 /* insight.c */; };
 		5493735A277AAE830031FE02 /* alloc.c in Sources */ = {isa = PBXBuildFile; fileRef = 31B8A36521A238040055BD01 /* alloc.c */; };
 		54FB2B4B246310A600397C0E /* symbols.c in Sources */ = {isa = PBXBuildFile; fileRef = 54FB2B4A246310A600397C0E /* symbols.c */; };
@@ -1507,6 +1508,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				544A5CF0277B40CF00734B53 /* panic.c in Sources */,
 				5493735A277AAE830031FE02 /* alloc.c in Sources */,
 				5439B3BC275AADC600B8FB2F /* date.c in Sources */,
 				31B8A31021A20DC10055BD01 /* monst.c in Sources */,
diff --git a/sys/windows/Makefile.gcc b/sys/windows/Makefile.gcc
index a311b1c1c..add81a7e3 100644
--- a/sys/windows/Makefile.gcc
+++ b/sys/windows/Makefile.gcc
@@ -324,7 +324,7 @@ HACKCSRC = allmain.c alloc.c apply.c artifact.c attrib.c ball.c bones.c \
 #
 
 MAKEDEFSOBJS       = $(O)makedefs.o $(O)monst.o $(O)objects.o \
-			$(O)date.o $(O)alloc.o
+			$(O)date.o $(O)alloc.o $(O)panic.o
 
 RECOVOBJS      = $(O)recover.o
 
diff --git a/sys/windows/vs/makedefs/makedefs.vcxproj b/sys/windows/vs/makedefs/makedefs.vcxproj
index 8e9af09f2..c214b7518 100644
--- a/sys/windows/vs/makedefs/makedefs.vcxproj
+++ b/sys/windows/vs/makedefs/makedefs.vcxproj
@@ -31,9 +31,11 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="$(RootDir)util\makedefs.c" />
+    <ClCompile Include="$(RootDir)util\panic.c" />
     <ClCompile Include="$(RootDir)src\date.c" />
     <ClCompile Include="$(RootDir)src\monst.c" />
     <ClCompile Include="$(RootDir)src\objects.c" />
+    <ClCompile Include="$(RootDir)src\alloc.c" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(IncDir)config.h" />