diff --git a/redox-rt/src/proc.rs b/redox-rt/src/proc.rs
index d314b6805e..05852690a1 100644
--- a/redox-rt/src/proc.rs
+++ b/redox-rt/src/proc.rs
@@ -135,13 +135,15 @@ pub fn fexec_impl(
         });
     }
     let span = span.expect("ELF executables must contain at least one `PT_LOAD` segment");
+    let span_size = (span.end - span.start).next_multiple_of(PAGE_SIZE);
+
     let base_addr = if header.e_type == ET_DYN {
         // PIE
-        let span_size = (span.end - span.start).next_multiple_of(PAGE_SIZE);
         let addr = mmap_anon_remote(&grants_fd, 0, 0, span_size, MapFlags::PROT_NONE)?;
         update_min_mmap_addr(addr, span_size);
         addr
     } else {
+        update_min_mmap_addr(span.start, span_size);
         0
     };