--- a/crawl-ref/source/AppHdr.h
+++ b/crawl-ref/source/AppHdr.h
@@ -144,7 +144,7 @@
 #ifdef TARGET_OS_MACOSX
 # define GDB_PATH "/usr/local/bin/gdb"
 #else
-# define GDB_PATH "/usr/bin/gdb"
+# define GDB_PATH "@TERMUX_PREFIX@/bin/gdb"
 #endif
 
 
--- a/crawl-ref/source/crash.cc
+++ b/crawl-ref/source/crash.cc
@@ -428,7 +428,7 @@
                 "-ex", "bt full",
                 0
             };
-            execv("/usr/bin/nice", (char* const*)argv);
+            execv("@TERMUX_PREFIX@/bin/nice", (char* const*)argv);
             printf("Failed to start gdb: %s\n", strerror(errno));
             fflush(stdout);
             _exit(0);