diff --git a/readme.md b/readme.md
index 9bc971c05..3798a8caf 100644
--- a/readme.md
+++ b/readme.md
@@ -82,13 +82,13 @@ Install appropriate libs as required. For ubuntu these are: libx11-dev, libgl1-m
 
 #### FreeBSD
 
-```gcc *.c -o ClassiCube -I /usr/local/include -L /usr/Xlocal/lib -lm -lpthread -lX11 -lGL -lcurl -lopenal -lexecinfo```
+```gcc *.c -o ClassiCube -I /usr/local/include -L /usr/local/lib -lm -lpthread -lX11 -lGL -lcurl -lopenal -lexecinfo```
 
 #### OpenBSD
 
 Install libexecinfo package if needed.
 
-```gcc *.c -o ClassiCube -isystem /usr/X11R6/include -isystem /usr/local/include -L /usr/X11R6/lib -L /usr/local/lib -lX11 -lGL -lcurl -lopenal -lexecinfo```
+```gcc *.c -o ClassiCube -I /usr/X11R6/include -I /usr/local/include -L /usr/X11R6/lib -L /usr/local/lib -lX11 -lGL -lcurl -lopenal -lexecinfo```
 
 #### NetBSD
 
diff --git a/src/Logger.c b/src/Logger.c
index b4fd735e7..057354047 100644
--- a/src/Logger.c
+++ b/src/Logger.c
@@ -448,6 +448,7 @@ static void Logger_DumpRegisters(void* ctx) {
 	/* OSX:     See /usr/include/mach/i386/_structs.h */
 	/* Solaris: See /usr/include/sys/regset.h */
 	/* NetBSD:  See /usr/include/i386/mcontext.h */
+	/* OpenBSD: See /usr/include/machine/signal.h */
 
 #if defined __i386__
 	#if defined CC_BUILD_LINUX
@@ -639,9 +640,14 @@ void Logger_Hook(void) {
 }
 
 void Logger_Abort2(ReturnCode result, const char* raw_msg) {
+#ifdef CC_BUILD_OPENBSD
+	/* getcontext is absent on OpenBSD */
+	Logger_AbortCommon(result, raw_msg, NULL);
+#else
 	ucontext_t ctx;
 	getcontext(&ctx);
 	Logger_AbortCommon(result, raw_msg, &ctx);
+#endif
 }
 #endif